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REDESIGNED: ExportWaveAsCode() to use memory buffer

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This commit is contained in:
raysan5 2020-05-24 15:48:07 +02:00
parent b0f245d8c5
commit 1c5df677e1
1 changed files with 66 additions and 40 deletions

106
src/raudio.c

@ -363,8 +363,8 @@ static Wave LoadMP3(const char *fileName); // Load MP3 file
#endif
#if defined(RAUDIO_STANDALONE)
bool IsFileExtension(const char *fileName, const char *ext);// Check file extension
void TraceLog(int msgType, const char *text, ...); // Show trace log messages (LOG_INFO, LOG_WARNING, LOG_ERROR, LOG_DEBUG)
static bool IsFileExtension(const char *fileName, const char *ext); // Check file extension
static void SaveFileText(const char *fileName, char *text); // Save text data to file (write), string must be '\0' terminated
#endif
//----------------------------------------------------------------------------------
@ -789,47 +789,52 @@ void ExportWave(Wave wave, const char *fileName)
// Export wave sample data to code (.h)
void ExportWaveAsCode(Wave wave, const char *fileName)
{
#define BYTES_TEXT_PER_LINE 20
char varFileName[256] = { 0 };
int dataSize = wave.sampleCount*wave.channels*wave.sampleSize/8;
FILE *txtFile = fopen(fileName, "wt");
if (txtFile != NULL)
{
fprintf(txtFile, "\n//////////////////////////////////////////////////////////////////////////////////\n");
fprintf(txtFile, "// //\n");
fprintf(txtFile, "// WaveAsCode exporter v1.0 - Wave data exported as an array of bytes //\n");
fprintf(txtFile, "// //\n");
fprintf(txtFile, "// more info and bugs-report: github.com/raysan5/raylib //\n");
fprintf(txtFile, "// feedback and support: ray[at]raylib.com //\n");
fprintf(txtFile, "// //\n");
fprintf(txtFile, "// Copyright (c) 2018 Ramon Santamaria (@raysan5) //\n");
fprintf(txtFile, "// //\n");
fprintf(txtFile, "//////////////////////////////////////////////////////////////////////////////////\n\n");
#if !defined(RAUDIO_STANDALONE)
// Get file name from path and convert variable name to uppercase
strcpy(varFileName, GetFileNameWithoutExt(fileName));
for (int i = 0; varFileName[i] != '\0'; i++) if (varFileName[i] >= 'a' && varFileName[i] <= 'z') { varFileName[i] = varFileName[i] - 32; }
#else
strcpy(varFileName, fileName);
#ifndef TEXT_BYTES_PER_LINE
#define TEXT_BYTES_PER_LINE 20
#endif
fprintf(txtFile, "// Wave data information\n");
fprintf(txtFile, "#define %s_SAMPLE_COUNT %u\n", varFileName, wave.sampleCount);
fprintf(txtFile, "#define %s_SAMPLE_RATE %u\n", varFileName, wave.sampleRate);
fprintf(txtFile, "#define %s_SAMPLE_SIZE %u\n", varFileName, wave.sampleSize);
fprintf(txtFile, "#define %s_CHANNELS %u\n\n", varFileName, wave.channels);
int waveDataSize = wave.sampleCount*wave.channels*wave.sampleSize/8;
// Write byte data as hexadecimal text
fprintf(txtFile, "static unsigned char %s_DATA[%i] = { ", varFileName, dataSize);
for (int i = 0; i < dataSize - 1; i++) fprintf(txtFile, ((i%BYTES_TEXT_PER_LINE == 0)? "0x%x,\n" : "0x%x, "), ((unsigned char *)wave.data)[i]);
fprintf(txtFile, "0x%x };\n", ((unsigned char *)wave.data)[dataSize - 1]);
// NOTE: Text data buffer size is estimated considering wave data size in bytes
// and requiring 6 char bytes for every byte: "0x00, "
char *txtData = (char *)RL_CALLOC(6*waveDataSize + 2000, sizeof(char));
fclose(txtFile);
}
int bytesCount = 0;
bytesCount += sprintf(txtData + bytesCount, "\n//////////////////////////////////////////////////////////////////////////////////\n");
bytesCount += sprintf(txtData + bytesCount, "// //\n");
bytesCount += sprintf(txtData + bytesCount, "// WaveAsCode exporter v1.0 - Wave data exported as an array of bytes //\n");
bytesCount += sprintf(txtData + bytesCount, "// //\n");
bytesCount += sprintf(txtData + bytesCount, "// more info and bugs-report: github.com/raysan5/raylib //\n");
bytesCount += sprintf(txtData + bytesCount, "// feedback and support: ray[at]raylib.com //\n");
bytesCount += sprintf(txtData + bytesCount, "// //\n");
bytesCount += sprintf(txtData + bytesCount, "// Copyright (c) 2018 Ramon Santamaria (@raysan5) //\n");
bytesCount += sprintf(txtData + bytesCount, "// //\n");
bytesCount += sprintf(txtData + bytesCount, "//////////////////////////////////////////////////////////////////////////////////\n\n");
char varFileName[256] = { 0 };
#if !defined(RAUDIO_STANDALONE)
// Get file name from path and convert variable name to uppercase
strcpy(varFileName, GetFileNameWithoutExt(fileName));
for (int i = 0; varFileName[i] != '\0'; i++) if (varFileName[i] >= 'a' && varFileName[i] <= 'z') { varFileName[i] = varFileName[i] - 32; }
#else
strcpy(varFileName, fileName);
#endif
bytesCount += sprintf(txtData + bytesCount, "// Wave data information\n");
bytesCount += sprintf(txtData + bytesCount, "#define %s_SAMPLE_COUNT %u\n", varFileName, wave.sampleCount);
bytesCount += sprintf(txtData + bytesCount, "#define %s_SAMPLE_RATE %u\n", varFileName, wave.sampleRate);
bytesCount += sprintf(txtData + bytesCount, "#define %s_SAMPLE_SIZE %u\n", varFileName, wave.sampleSize);
bytesCount += sprintf(txtData + bytesCount, "#define %s_CHANNELS %u\n\n", varFileName, wave.channels);
// Write byte data as hexadecimal text
bytesCount += sprintf(txtData + bytesCount, "static unsigned char %s_DATA[%i] = { ", varFileName, waveDataSize);
for (int i = 0; i < waveDataSize - 1; i++) bytesCount += sprintf(txtData + bytesCount, ((i%TEXT_BYTES_PER_LINE == 0)? "0x%x,\n" : "0x%x, "), ((unsigned char *)wave.data)[i]);
bytesCount += sprintf(txtData + bytesCount, "0x%x };\n", ((unsigned char *)wave.data)[waveDataSize - 1]);
// NOTE: Text data length exported is determined by '\0' (NULL) character
SaveFileText(fileName, txtData);
RL_FREE(txtData);
}
// Play a sound
@ -2017,7 +2022,7 @@ static Wave LoadMP3(const char *fileName)
// Some required functions for audio standalone module version
#if defined(RAUDIO_STANDALONE)
// Check file extension
bool IsFileExtension(const char *fileName, const char *ext)
static bool IsFileExtension(const char *fileName, const char *ext)
{
bool result = false;
const char *fileExt;
@ -2029,6 +2034,27 @@ bool IsFileExtension(const char *fileName, const char *ext)
return result;
}
// Save text data to file (write), string must be '\0' terminated
static void SaveFileText(const char *fileName, char *text)
{
if (fileName != NULL)
{
FILE *file = fopen(fileName, "wt");
if (file != NULL)
{
int count = fprintf(file, "%s", text);
if (count == 0) TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to write text file", fileName);
else TRACELOG(LOG_INFO, "FILEIO: [%s] Text file saved successfully", fileName);
fclose(file);
}
else TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to open text file", fileName);
}
else TRACELOG(LOG_WARNING, "FILEIO: File name provided is not valid");
}
#endif
#undef AudioBuffer